Skin TransplantationTransplantation, HomologousGraft RejectionGraft SurvivalSkinLiver TransplantationKidney TransplantationMice, Inbred BALB CMice, Inbred C57BLBone Marrow TransplantationHematopoietic Stem Cell TransplantationHeart TransplantationTransplantation, AutologousSkin DiseasesSkin AgingLung TransplantationSkin NeoplasmsStem Cell TransplantationTransplantation ConditioningOrgan TransplantationIslets of Langerhans TransplantationTransplantation ImmunologyGraft Occlusion, VascularPancreas TransplantationTransplantationTissue DonorsCell TransplantationTreatment OutcomeSkin Physiological PhenomenaGraft vs Host DiseaseSkin TestsImmunosuppressive AgentsTransplantation ChimeraLiving DonorsTransplantation, IsogeneicTransplantation, HeterotopicTime FactorsSkin AbsorptionSkin PigmentationRetrospective StudiesCord Blood Stem Cell TransplantationPostoperative ComplicationsTransplantation ToleranceTissue and Organ ProcurementFetal Tissue TransplantationHeart-Lung TransplantationImmunosuppression